Finding the Fourth Proportional to 106,942.93, 160,349.43 and 53,572.84
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Solution
The fourth proportional to 106,942.93, 160,349.43 and 53,572.84 is: 80,326.72
Step by Step Solution
- Step 1: Write the proportion equation
106,942.93 : 160,349.43 = 53,572.84 : x - Step 2: Convert to fraction form
106,942.93/160,349.43 = 53,572.84/x - Step 3: Cross multiply
106,942.93x = 160,349.43 × 53,572.84 - Step 4: Simplify right side
106,942.93x = 8,590,374,357.48 - Step 5: Solve for x
x = 8,590,374,357.48/106,942.93 - Step 6: Final answer
x = 80,326.72
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.